obama has 49% support. romney has 48%. the candidates dashed through key swing states over the weekend, including new hampshire. they are making their final arguments to voters. both campaigns are trying to lock in crucial electoral college votes. >> you know that i know what real change looks like, because i fought for it alongside you. i've got the scars to prove it. i've got the gray hair to show for it. >> romney hopscotched between the swing states of new hampshire, iowa, colorado and ohio. >> the question of this election comes down to this, you want four more years like the last four years or do you want real change? >> romney is also focusing on wisconsin, one toss-up state where obama is said to have a lead. and he is running more tv ads in pennsylvania, michigan and minnesota. both candidates are scheduled to spend time in ohio monday, the final day of campaigning. obama is leading there, which is not good for romney. no republican has won the presidency without carrying ohio. >>> the impact of hurricane sandy ha